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Lakeshore Segment Northwest 1: Sheldrake Point to Deans Cove

Graph
Bloom Events
Bloom Code Date Water Body County Bloom Extent Bloom Genera [1] Microcystin (ug/L) [2]
1 19-3444-B2 July 18, 2019 Cayuga Lake Seneca Small Localized: The HAB is contained in a very small area of the lake, limited from one to several neighboring properties. Dolichospermum 0.15
2 19-3443-B3 July 18, 2019 Cayuga Lake Seneca Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody. Dolichospermum 0.15
3 19-3442-B1 July 08, 2019 Cayuga Lake Seneca Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody. Dolichospermum 0.15
4 19-3444-B1 July 08, 2019 Cayuga Lake Seneca Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody. Dolichospermum 0.34
5 19-3443-B2 July 08, 2019 Cayuga Lake Seneca Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody. Dolichospermum 0.15
6 19-3443-B1 July 07, 2019 Cayuga Lake Seneca Small Localized: The HAB is contained in a very small area of the lake, limited from one to several neighboring properties. Dolichospermum 0.15
7 20-3443-B1 July 12, 2020 Cayuga Lake Seneca Small Localized: The HAB is contained in a very small area of the lake, limited from one to several neighboring properties. Dolichospermum 1.2
8 20-3476-B1 September 20, 2020 Cayuga Lake Seneca Small Localized: The HAB is contained in a very small area of the lake, limited from one to several neighboring properties. Dolichospermum, Microcystis 214.0
9 20-3443-B5 September 06, 2020 Cayuga Lake Seneca Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody. Microcystis 0.67
10 21-3400-B3 August 22, 2021 Cayuga Lake Seneca Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody. Dolichospermum 21.5
11 21-3443-B1 October 04, 2021 Cayuga Lake Seneca Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody. Microcystis 86.0
12 22-3443-B2 July 19, 2022 Cayuga Lake Seneca Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody. Dolichospermum 1.76
13 22-3476-B1 July 19, 2022 Cayuga Lake Seneca Small Localized: The HAB is contained in a very small area of the lake, limited from one to several neighboring properties. Dolichospermum 0.15
14 21-3443-B2 October 06, 2021 Cayuga Lake Seneca Widespread or Lake-wide: The HAB is as far as you can see, and seems to affect the entire waterbody, or most or all of the shoreline. Microcystis 1418.0
15 22-3400-B2 September 07, 2022 Cayuga Lake Seneca Small Localized: The HAB is contained in a very small area of the lake, limited from one to several neighboring properties. Microcystis 387.0
16 22-3443-B3 August 17, 2022 Cayuga Lake Seneca Small Localized: The HAB is contained in a very small area of the lake, limited from one to several neighboring properties. Dolichospermum, Microcystis 31.5
17 21-3476-B1 July 12, 2021 Cayuga Lake Seneca Widespread or Lake-wide: The HAB is as far as you can see, and seems to affect the entire waterbody, or most or all of the shoreline. Dolichospermum 2.6
18 18-3444-B2 September 04, 2018 Cayuga Lake Seneca Not Reported Dolichospermum 89.76
19 18-3444-B3 September 13, 2018 Cayuga Lake Seneca Not Reported Microcystis 281.7
20 July 02, 2018 Cayuga Lake Seneca Not Reported
21 22-3476-B2 September 13, 2022 Cayuga Lake Seneca Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody. Microcystis 231.0
22 20-3443-B3 July 21, 2020 Cayuga Lake Seneca Small Localized: The HAB is contained in a very small area of the lake, limited from one to several neighboring properties. Dolichospermum
23 23-3476-B5 September 26, 2023 Cayuga Lake Seneca Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody. Microcystis 156.0
24 23-3476-B3 September 15, 2023 Cayuga Lake Seneca Small Localized: The HAB is contained in a very small area of the lake, limited from one to several neighboring properties. Microcystis 92.4
25 23-3443-B1 June 25, 2023 Cayuga Lake Seneca Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody.
26 24-3444-B2 September 20, 2024 Cayuga Lake Seneca Widespread or Lake-wide: The HAB is as far as you can see, and seems to affect the entire waterbody, or most or all of the shoreline. Microcystis 241.0
27 24-3444-B1 August 29, 2024 Cayuga Lake Seneca Small Localized: The HAB is contained in a very small area of the lake, limited from one to several neighboring properties. Microcystis 48.1
28 24-3476-B1 July 05, 2024 Cayuga Lake Seneca Small Localized: The HAB is contained in a very small area of the lake, limited from one to several neighboring properties. Dolichospermum 6.11
29 24-3476-B2 August 29, 2024 Cayuga Lake Seneca Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody. Microcystis 1368.0
30 24-3400-B7 September 26, 2024 Cayuga Lake Seneca Small Localized: The HAB is contained in a very small area of the lake, limited from one to several neighboring properties.
31 24-3476-B3 September 27, 2024 Cayuga Lake Seneca Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody. Dolichospermum 484.0
32 24-3400-B10 October 09, 2024 Cayuga Lake Seneca Small Localized: The HAB is contained in a very small area of the lake, limited from one to several neighboring properties. Microcystis 6798.0
33 24-3497-B3 October 08, 2024 Cayuga Lake Seneca Small Localized: The HAB is contained in a very small area of the lake, limited from one to several neighboring properties. Microcystis 843.0
34 25-3444-B1 July 08, 2025 Cayuga Lake Seneca Small Localized: The HAB is contained in a very small area of the lake, limited from one to several neighboring properties.
35 25-3476-B1 July 08, 2025 Cayuga Lake Seneca Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody.
36 25-3443-B1 July 08, 2025 Cayuga Lake Seneca Widespread or Lake-wide: The HAB is as far as you can see, and seems to affect the entire waterbody, or most or all of the shoreline.
37 25-3443-B2 July 08, 2025 Cayuga Lake Seneca Not Reported
38 25-3442-B1 July 08, 2025 Cayuga Lake Seneca Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody.
39 25-3444-B3 July 08, 2025 Cayuga Lake Seneca Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody.
40 25-3444-B2 July 08, 2025 Cayuga Lake Seneca Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody.
41 25-3443-B3 July 08, 2025 Cayuga Lake Seneca Widespread or Lake-wide: The HAB is as far as you can see, and seems to affect the entire waterbody, or most or all of the shoreline.
42 25-3476-B2 July 09, 2025 Cayuga Lake Seneca Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody.
43 25-3443-B4 July 09, 2025 Cayuga Lake Seneca Widespread or Lake-wide: The HAB is as far as you can see, and seems to affect the entire waterbody, or most or all of the shoreline.
44 25-3443-B6 September 15, 2025 Cayuga Lake Seneca Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody.
45 25-3444-B5 September 15, 2025 Cayuga Lake Seneca Widespread or Lake-wide: The HAB is as far as you can see, and seems to affect the entire waterbody, or most or all of the shoreline.
46 23-3476-B4 September 18, 2023 Cayuga Lake Seneca Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody. Microcystis 532.0
47 23-3476-B2 September 10, 2023 Cayuga Lake Seneca Small Localized: The HAB is contained in a very small area of the lake, limited from one to several neighboring properties.
48 23-3476-B1 September 01, 2023 Cayuga Lake Seneca Small Localized: The HAB is contained in a very small area of the lake, limited from one to several neighboring properties. Microcystis 27.1
49 23-3443-B3 July 05, 2023 Cayuga Lake Seneca Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody. Dolichospermum 0.15
50 25-3443-B5 July 28, 2025 Cayuga Lake Seneca Widespread or Lake-wide: The HAB is as far as you can see, and seems to affect the entire waterbody, or most or all of the shoreline.
51 25-3444-B4 September 12, 2025 Cayuga Lake Seneca Small Localized: The HAB is contained in a very small area of the lake, limited from one to several neighboring properties.
52 25-3443-B7 September 20, 2025 Cayuga Lake Seneca Small Localized: The HAB is contained in a very small area of the lake, limited from one to several neighboring properties.
53 25-3476-B4 September 24, 2025 Cayuga Lake Seneca Widespread or Lake-wide: The HAB is as far as you can see, and seems to affect the entire waterbody, or most or all of the shoreline.
54 25-3400-B13 September 23, 2025 Cayuga Lake Seneca Widespread or Lake-wide: The HAB is as far as you can see, and seems to affect the entire waterbody, or most or all of the shoreline.
55 25-3489-B1 September 23, 2025 Cayuga Lake Seneca Widespread or Lake-wide: The HAB is as far as you can see, and seems to affect the entire waterbody, or most or all of the shoreline. Microcystis 455.0
56 25-3443-B8 September 23, 2025 Cayuga Lake Seneca Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody.
57 25-3476-B3 September 23, 2025 Cayuga Lake Seneca Widespread or Lake-wide: The HAB is as far as you can see, and seems to affect the entire waterbody, or most or all of the shoreline.
58 25-3444-B6 September 24, 2025 Cayuga Lake Seneca Widespread or Lake-wide: The HAB is as far as you can see, and seems to affect the entire waterbody, or most or all of the shoreline.
59 25-3443-B9 September 24, 2025 Cayuga Lake Seneca Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody.
60 25-3443-B10 September 24, 2025 Cayuga Lake Seneca Widespread or Lake-wide: The HAB is as far as you can see, and seems to affect the entire waterbody, or most or all of the shoreline.
61 25-3443-B11 October 12, 2025 Cayuga Lake Seneca Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody.
62 25-3476-B5 October 09, 2025 Cayuga Lake Seneca Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody.
63 25-3468-B1 October 14, 2025 Cayuga Lake Seneca Widespread or Lake-wide: The HAB is as far as you can see, and seems to affect the entire waterbody, or most or all of the shoreline.
64 25-3489-B2 October 12, 2025 Cayuga Lake Seneca Widespread or Lake-wide: The HAB is as far as you can see, and seems to affect the entire waterbody, or most or all of the shoreline.
65 25-3476-B6 October 12, 2025 Cayuga Lake Seneca Widespread or Lake-wide: The HAB is as far as you can see, and seems to affect the entire waterbody, or most or all of the shoreline.
66 25-3444-B7 October 12, 2025 Cayuga Lake Seneca Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody.
67 25-3443-B12 October 12, 2025 Cayuga Lake Seneca Widespread or Lake-wide: The HAB is as far as you can see, and seems to affect the entire waterbody, or most or all of the shoreline.
68 25-3443-B13 October 14, 2025 Cayuga Lake Seneca Widespread or Lake-wide: The HAB is as far as you can see, and seems to affect the entire waterbody, or most or all of the shoreline.
69 25-3444-B9 October 14, 2025 Cayuga Lake Seneca Widespread or Lake-wide: The HAB is as far as you can see, and seems to affect the entire waterbody, or most or all of the shoreline.
70 25-3476-B8 October 23, 2025 Cayuga Lake Seneca Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody.
71 25-3444-B10 October 17, 2025 Cayuga Lake Seneca Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody.
72 25-3476-B7 October 17, 2025 Cayuga Lake Seneca Widespread or Lake-wide: The HAB is as far as you can see, and seems to affect the entire waterbody, or most or all of the shoreline.
73 25-3443-B14 October 25, 2025 Cayuga Lake Seneca Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody.
74 25-3443-B15 October 29, 2025 Cayuga Lake Seneca Small Localized: The HAB is contained in a very small area of the lake, limited from one to several neighboring properties.
75 26-NW1-B1 May 13, 2026 Cayuga Lake Seneca Small Localized: The HAB is contained in a very small area of the lake, limited from one to several neighboring properties.
76 26-NW1-B3 July 10, 2026 Cayuga Lake Seneca Small Localized: The HAB is contained in a very small area of the lake, limited from one to several neighboring properties.
77 26-NW1-B2 July 12, 2026 Cayuga Lake Seneca Small Localized: The HAB is contained in a very small area of the lake, limited from one to several neighboring properties.
78 26-NW1-B6 August 17, 2026 Cayuga Lake Seneca Small Localized: The HAB is contained in a very small area of the lake, limited from one to several neighboring properties.
79 26-NW1-B4 August 11, 2026 Cayuga Lake Seneca Small Localized: The HAB is contained in a very small area of the lake, limited from one to several neighboring properties.
80 26-NW1-B5 August 17, 2026 Cayuga Lake Seneca Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody.
81 26-NW1-B7 August 17, 2026 Cayuga Lake Seneca Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody.
82 26-NW1-B11 August 21, 2026 Cayuga Lake Seneca Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody.
83 26-NW1-B10 August 18, 2026 Cayuga Lake Seneca Small Localized: The HAB is contained in a very small area of the lake, limited from one to several neighboring properties. Microcystis
84 26-NW1-B8 August 17, 2026 Cayuga Lake Seneca Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody.
85 26-NW1-B9 August 17, 2026 Cayuga Lake Seneca Small Localized: The HAB is contained in a very small area of the lake, limited from one to several neighboring properties.
86 26-NW1-B12 August 21, 2026 Cayuga Lake Seneca Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody.
87 26-NW1-B13 August 21, 2026 Cayuga Lake Cayuga Small Localized: The HAB is contained in a very small area of the lake, limited from one to several neighboring properties.
88 26-NW1-B14 August 21, 2026 Cayuga Lake Seneca Widespread or Lake-wide: The HAB is as far as you can see, and seems to affect the entire waterbody, or most or all of the shoreline.
[1] Genera - plural of genus, a category of classification in biology that ranks between the family level and the species level. Because there are many different species of bacteria that are difficult to distinguish, it is more useful to classify bacteria by genus rather than species.
[2] Total Microcystins and Nodularins (EPA 546)